Daily Sudoku Answer 

The full reasoning can be found below the Sudoku.

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R1C6 can only be <8>

R3C8 can only be <7>

R9C6 can only be <4>

R2C5 can only be <1>

R1C4 can only be <7>

R5C6 can only be <3>

R1C5 can only be <6>

R5C4 can only be <9>

R9C4 can only be <1>

R4C5 can only be <4>

R4C1 can only be <5>

R4C9 can only be <9>

R3C1 is the only square in row 3 that can be <6>

R5C1 is the only square in row 5 that can be <1>

R9C7 is the only square in column 7 that can be <7>

R7C1 is the only square in row 7 that can be <7>

Squares R7C2 and R8C1 in block 7 form a simple naked pair. These 2 squares both contain the 2 possibilities <24>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the block.

R8C3 - removing <4> from <456> leaving <56>

R9C1 - removing <2> from <238> leaving <38>

R9C2 - removing <2> from <2358> leaving <358>

R1C3 is the only square in column 3 that can be <4>

Squares R3C2<28>, R5C2<48> and R7C2<24> in column 2 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <248>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R1C2 - removing <2> from <235> leaving <35>

R9C2 - removing <8> from <358> leaving <35>

Squares R3C2 and R3C9 in row 3 and R7C2 and R7C9 in row 7 form a Simple X-Wing pattern on possibility <2>. All other instances of this possibility in columns 2 and 9 can be removed.

R1C9 - removing <2> from <1235> leaving <135>

R8C9 - removing <2> from <2456> leaving <456>

R9C9 - removing <2> from <256> leaving <56>

R9C5 is the only square in row 9 that can be <2>

R8C5 can only be <9>

R9C8 is the only square in row 9 that can be <9>

Squares R1C2<35>, R1C8<15> and R1C9<135> in row 1 form a comprehensive naked triplet. These 3 squares can only contain the 3 possibilities <135>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the row.

R1C1 - removing <3> from <239> leaving <29>

R1C7 - removing <5> from <259> leaving <29>

Squares R5C9<457>, R6C9<47>, R8C9<456> and R9C9<56> in column 9 form a comprehensive naked quad. These 4 squares can only contain the 4 possibilities <4567>. Since each of the squares must contain one of the possibilities, they can be eliminated from the other squares in the column.

R1C9 - removing <5> from <135> leaving <13>

R2C9 - removing <5> from <358> leaving <38>

R7C9 - removing <4> from <124> leaving <12>

Squares R6C1 and R6C9 in row 6 and R8C1 and R8C9 in row 8 form a Simple X-Wing pattern on possibility <4>. All other instances of this possibility in columns 1 and 9 can be removed.

R5C9 - removing <4> from <457> leaving <57>

Squares R2C3 (XY), R1C2 (XZ) and R2C9 (YZ) form an XY-Wing pattern on <3>. All squares that are buddies of both the XZ and YZ squares cannot be <3>.

R2C1 - removing <3> from <389> leaving <89>

R1C9 - removing <3> from <13> leaving <1>

R1C8 can only be <5>

R7C9 can only be <2>

R7C2 can only be <4>

R3C9 can only be <8>

R8C7 can only be <5>

R8C3 can only be <6>

R2C7 can only be <9>

R9C9 can only be <6>

R8C9 can only be <4>

R1C2 can only be <3>

R5C8 can only be <4>

R2C1 can only be <8>

R1C7 can only be <2>

R3C2 can only be <2>

R2C9 can only be <3>

R5C2 can only be <8>

R7C8 can only be <1>

R6C9 can only be <7>

R6C5 can only be <8>

R5C9 can only be <5>

R8C1 can only be <2>

R1C1 can only be <9>

R9C2 can only be <5>

R2C3 can only be <5>

R6C1 can only be <4>

R9C1 can only be <3>

R9C3 can only be <8>

R5C5 can only be <7>

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